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Full Discussion: Understanding Results from df and du commands
Operating Systems Linux Red Hat Understanding Results from df and du commands Post 302789329 by RudiC on Wednesday 3rd of April 2013 12:57:59 PM
Old 04-03-2013
There's a difference between the file size in bytes as displayed by e.g. ls, and the space allocated on disk, today usually multiples of 4k. Use ls -s to get a feeling for the two, and the difference. But, to explain such a huge discrepancy (12 GB as opposed to 18 GB), this would not normally suffice, except if you had a really really large number of really small files.

Corona668's suspicion is a very good candidate; use lsof /app and search for "(deleted)" entries:
Code:
firefox    2287 cxxr   36r   REG    8,8     6184 374670 .local/share/gvfs-metadata/root (deleted)

This User Gave Thanks to RudiC For This Post:
thmnetwork
 

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LEARN ABOUT OPENSOLARIS

gvfs-rename

gvfs-rename(1)							   User Commands						    gvfs-rename(1)

NAME

       gvfs-rename - change the name of a file or directory using the VFS system

SYNOPSIS

       gvfs-rename source-URI new-name

DESCRIPTION

       gvfs-rename changes the name of a file or directory, using the virtual file system.

OPERANDS

       The following operands are supported:

       source-URI	       Specifies the source file location in standard URI format.

       new-name 	       Specifies the new name for file or directory.

EXAMPLES

       Example 1: Rename a Local HTML File

       example%
	       gvfs-rename file:///home/user/index.html file:///home/user/index.html.old

ENVIRONMENT VARIABLES

       See environ(5) for descriptions of the following environment variables: NLSPATH.

EXIT STATUS

       The exit value 0 is returned regardless of success or failure.

FILES

       The following files are used by this application:

       /usr/bin/gvfs-rename    Executable to rename a file using the GVFS library

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWgnome-gvfs		   |
       +-----------------------------+-----------------------------+
       |Interface stability	     |Volatile			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       gvfs-cat(1),  gvfs-copy(1),  gvfs-move(1), gvfs-info(1), gvfs-less(1), gvfs-ls(1), gvfs-mkdir(1) gvfs-monitor-dir(1), gvfs-monitor-file(1),
       gvfs-mount(1), gvfs-copy(1), gvfs-open(1), gvfs-rm(1), gvfs-save(1), gvfs-trash(1), gvfs-tree(1), attributes(5), environ(5)

NOTES

       Written by Alvaro Lopez Ortega, Sun Microsystems Inc., 2008.

SunOS 5.11							    30 May 2008 						    gvfs-rename(1)
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